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PSYCHO15rus [73]
3 years ago
10

HELP BY FIVE MINUTES PLEASE

Mathematics
2 answers:
kati45 [8]3 years ago
6 0
Those are adjacent angles. They equal 180 degrees. 

10x-20+6x+8= 180

16x-12=180

Add 12.

16x= 192

x=12

I hope this helps!
~kaikers
alisha [4.7K]3 years ago
6 0
Your answer would be x=12
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Step-by-step explanation:

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121.5 rounded to nearest whole number is 122 --> 121.49 rounded to the nearest whole number is 121
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